'''
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License") you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
'''

# package org.apache.jena.datatypes.xsd.impl
#
# import org.apache.jena.datatypes.BaseDatatype
# import org.apache.jena.datatypes.RDFDatatype
# import org.apache.jena.graph.impl.LiteralLabel

''' rdf:json.
 * This only implements syntactic equality, not value equality.    
'''

from base.datatypes.BaseDatatype import BaseDatatype

class RDFjson(BaseDatatype):
    '''
     * Private constructor.
    '''
    def __init__(self, uri):
        super().__init__(uri)
    

    '''
     * Compares two instances of values of the given datatype. 
    '''
    #@Override
    # param LiteralLabel LiteralLabel
    # return boolean
    def isEqual(self, value1, value2):
        return super().isEqualByTerm(value1, value2)
    

    #@Override
    # param String
    # return Object
    def parse(self, lexicalForm):
        return lexicalForm
    

    #@Override
    # param Object
    # return String
    def unparse(self, value):
        return str(value)
    

''' Singleton instance'''
# Include the string for the RDF namespace, not use RDF.getURI(), to avoid an initializer circularity
# param
# return
rdfJSON = RDFjson("http://www.w3.org/1999/02/22-rdf-syntax-ns#JSON")
